Skeleton.java

package labexercises\lab3;  // folder which contains the Java files
import java.util.Scanner; // required to use a Scanner to get info from keyboard

/**
 *  This is a javadocs comment. Always have one of these comments in
 *  front of every class and method.
 *  Type an * before every line for the comment to look nice!
 *
 *   @author your name
 *   @version date as yyyy-mm-dd
 */
// class header:  class name is the same as the filename
public class Skeleton  {       // classes start & end with curly braces
// main method: required in an application class
    public static void main(String [] args)     {
        // methods start & end with curly braces

        // Code within the main method is indented for better readability.
        // You can also add blank lines wherever you want

        // Start by declaring any variables.
        // try to put all variables at the top of the method
        // Syntax is: dataType variableName;
        int number, doubleIt;

        //Create a scanner object if you are getting info from console keyboard.
        Scanner keyboard = new Scanner(System.in);

        // If you want input you must tell the user what you want
        System.out.print("Please enter a whole number: ");
        // Use the Scanner object to read the input and assign it to a variables.
        // Syntax: varName = keyboard.nextDouble(); (or nextInt(), or...)
        number = keyboard.nextInt();

        // Once you have all your input, do your calculations.
        // how assignment works: the expression on the right
        // hand side of the equal sign is evaluated and the result is stored
        // in the variable on the left hand side
        doubleIt = number * 2;   // multiply input by 2

        //Display the results to the user. Syntax is
        // System.out.println("blah blah: "+ resultVariable);
        System.out.println("You typed in: " + number);
        System.out.println("Doubled it's: " + doubleIt);

    }  // main method: close
} // Skeleton class: close